TOI-1266 b
Orbiting TOI-1266
TOI-1266 b is an exoplanet orbiting the star TOI-1266, discovered in 2020 using the Transit method. It is a Mini-Neptune world.
Radius
2.52
Earth radii
Mass
4.46
Earth masses
Orbital Period
10.9
days
Distance
36.0
parsecs
Equilibrium Temp
415
K
Radius (Earth radii)
2.52
Mass (Earth masses)
4.46
Measured
Equilibrium Temperature
415 K
Parameter source: Greklek-McKeon et al. 2025
Orbital Period
10.895+0.000−0.000days
Semi-Major Axis
0.0730+0.0011−0.0011au
Planet Mass (Earth masses)
4.46+0.69−0.69
Planet Mass (Jupiter masses)
0.0140+0.0022−0.0022
Eccentricity
0.0390+0.0350−0.0250
Distance from Earth
36.0 pc (~117 ly)
Spectral Type
M2
Temperature
3563 K
Mass (Solar)
0.44 M☉
Radius (Solar)
0.42 R☉
Luminosity
-1.58 log L☉
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
197.9966°, 65.8337°
Discovery Method
Transit
Discovery Year
2020
Source ID: TOI-1266 b
TOI-1266 b orbits TOI-1266 and was reported in 2020 and was detected with the Transit method.
Published measurements list a radius of 2.52 Earth radii, a mass of 4.46 Earth masses, an orbital period of 10.89 days, and an equilibrium temperature near 415 K.
Catalog data places the system at about 36 parsecs from Earth, a host star classified as M2, and 3 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open TOI-1266More planets in this system